The O-Ring, cataloged under National Stock Number 5331-01-656-3123, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is March Manufacturing, Inc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-656-3123 |
| Primary Part Number | 0210-0008-1000 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | March Manufacturing, Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.0625 INCHES NOMINAL IN |
| Center Hole Diameter | 0.3125 INCHES NOMINAL IN |
| Material | RUBBER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 0210-0008-1000 PRIMARY | March Manufacturing, Inc (USA) |
NSN 5331-01-656-3123 is a O-Ring, manufactured by March Manufacturing, Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-656-3123 has 1 manufacturer part number on file: 0210-0008-1000 (March Manufacturing, Inc).
Key specifications for 0210-0008-1000: Cross-Sectional Height: 0.0625 INCHES NOMINAL IN; Center Hole Diameter: 0.3125 INCHES NOMINAL IN; Material: RUBBER. 3 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.